The product of first \( \mathrm{n} \) odd natural numbers equals....
The product of first \( \mathrm{n} \) odd natural numbers equals
(1) \( \left({ }^{2 n} C_{n}\right)\left({ }^{n} P_{n}\right) \)
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(2) \( \left(\frac{1}{2}\right)^{n}\left({ }^{2 n} C_{n}\right)\left({ }^{n} P_{n}\right) \)
(3) \( \left(\frac{1}{4}\right)^{n}\left({ }^{2 n} C_{n}\right)\left({ }^{2 n} P_{n}\right) \)
(4) \( \frac{1}{n !}\left({ }^{2 n} C_{n}\right) \)
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